/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.network.clientpackets;

import java.util.logging.Logger;

import net.sf.l2j.Config;
import net.sf.l2j.gameserver.GmListTable;
import net.sf.l2j.gameserver.instancemanager.CursedWeaponsManager;
import net.sf.l2j.gameserver.model.L2ItemInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.InventoryUpdate;
import net.sf.l2j.gameserver.network.serverpackets.ItemList;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;
import net.sf.l2j.gameserver.templates.item.L2EtcItemType;
import net.sf.l2j.gameserver.templates.item.L2Item;
import net.sf.l2j.gameserver.util.GMAudit;
import net.sf.l2j.gameserver.util.IllegalPlayerAction;
import net.sf.l2j.gameserver.util.Util;
import net.sf.l2j.gameserver.datatables.MessageTable;

/**
 * This class ...
 *
 * @version $Revision: 1.11.2.1.2.7 $ $Date: 2005/04/02 21:25:21 $
 */
public final class RequestDropItem extends L2GameClientPacket
{
	private static final String _C__12_REQUESTDROPITEM = "[C] 12 RequestDropItem";
	private static Logger _log = Logger.getLogger(RequestDropItem.class.getName());

	private int _objectId;
	private long _count;
	private int _x;
	private int _y;
	private int _z;

	@Override
	protected void readImpl()
	{
		_objectId = readD();
		_count    = readQ();
		_x        = readD();
		_y        = readD();
		_z        = readD();
	}

	@Override
	protected void runImpl()
	{
        L2PcInstance activeChar = getClient().getActiveChar();
    	if (activeChar == null) return;
		// Flood protect drop to avoid packet lag
		if (!activeChar.getFloodProtectors().getDropItem().tryPerformAction("drop item"))
			return;
    	
    	L2ItemInstance item = activeChar.getInventory().getItemByObjectId(_objectId);

        if (item == null
        		|| _count == 0
        		|| !activeChar.validateItemManipulation(_objectId, "drop")
        		|| (!Config.ALLOW_DISCARDITEM && !activeChar.isGM())
        		|| !item.isDropable())
        {
        	activeChar.sendPacket(new SystemMessage(SystemMessageId.CANNOT_DISCARD_THIS_ITEM));
        	return;
        }
        if(item.getItemType() == L2EtcItemType.QUEST)
        {
        	return;
        }
        int itemId = item.getItemId();

        // Cursed Weapons cannot be dropped
        if (CursedWeaponsManager.getInstance().isCursed(itemId))
        	return;

        if(_count > item.getCount())
        {
			activeChar.sendPacket(new SystemMessage(SystemMessageId.CANNOT_DISCARD_THIS_ITEM));
			return;
        }

        if (Config.PLAYER_SPAWN_PROTECTION > 0 && activeChar.isInvul() && !activeChar.isGM())
        {
            activeChar.sendPacket(new SystemMessage(SystemMessageId.CANNOT_DISCARD_THIS_ITEM));
            return;
        }

        if(_count < 0)
        {
        	Util.handleIllegalPlayerAction(activeChar,MessageTable.Messages[703].getMessage()+_objectId+MessageTable.Messages[703].getExtra(1)+activeChar.getName(),IllegalPlayerAction.PUNISH_KICK);
        	return;
        }

        if(!item.isStackable() && _count > 1)
        {
        	Util.handleIllegalPlayerAction(activeChar,MessageTable.Messages[704].getMessage()+_objectId+MessageTable.Messages[703].getExtra(1)+activeChar.getName(),IllegalPlayerAction.PUNISH_KICK);
        	return;
        }


        if (!activeChar.getAccessLevel().allowTransaction())
        {
            activeChar.sendPacket(new SystemMessage(SystemMessageId.YOU_ARE_NOT_AUTHORIZED_TO_DO_THAT));
            activeChar.sendPacket(new SystemMessage(SystemMessageId.NOTHING_HAPPENED));
            return;
        }

		if (activeChar.isProcessingTransaction() || activeChar.getPrivateStoreType() != 0)
        {
            activeChar.sendPacket(new SystemMessage(SystemMessageId.CANNOT_TRADE_DISCARD_DROP_ITEM_WHILE_IN_SHOPMODE));
            return;
        }
		if (activeChar.isFishing())
        {
			//You can't mount, dismount, break and drop items while fishing
            activeChar.sendPacket(new SystemMessage(SystemMessageId.CANNOT_DO_WHILE_FISHING_2));
            return;
        }
		if (activeChar.isFlying())
		{
			return;
		}

		// Cannot discard item that the skill is consuming
		if (activeChar.isCastingNow())
		{
			if (activeChar.getCurrentSkill() != null && activeChar.getCurrentSkill().getSkill().getItemConsumeId() == item.getItemId())
			{
	            activeChar.sendPacket(new SystemMessage(SystemMessageId.CANNOT_DISCARD_THIS_ITEM));
	            return;
			}
		}
		
		// Cannot discard item that the skill is consuming
		if (activeChar.isCastingSimultaneouslyNow())
		{
			if (activeChar.getLastSimultaneousSkillCast() != null && activeChar.getLastSimultaneousSkillCast().getItemConsumeId() == item.getItemId())
			{
	            activeChar.sendPacket(new SystemMessage(SystemMessageId.CANNOT_DISCARD_THIS_ITEM));
	            return;
			}
		}

		if (L2Item.TYPE2_QUEST == item.getItem().getType2() && !activeChar.isGM())
		{
			if (Config.DEBUG) _log.finest(activeChar.getObjectId()+":player tried to drop quest item");
            activeChar.sendPacket(new SystemMessage(SystemMessageId.CANNOT_DISCARD_EXCHANGE_ITEM));
            return;
		}

		if (!activeChar.isInsideRadius(_x, _y, 150, false) || Math.abs(_z - activeChar.getZ()) > 50)
		{
			if (Config.DEBUG) _log.finest(activeChar.getObjectId()+": trying to drop too far away");
            activeChar.sendPacket(new SystemMessage(SystemMessageId.CANNOT_DISCARD_DISTANCE_TOO_FAR));
		    return;
		}

		if (Config.DEBUG) _log.fine("requested drop item " + _objectId + "("+ item.getCount()+") at "+_x+"/"+_y+"/"+_z);

		if (item.isEquipped())
		{
			L2ItemInstance[] unequiped = activeChar.getInventory().unEquipItemInBodySlotAndRecord(item.getItem().getBodyPart());
			InventoryUpdate iu = new InventoryUpdate();
			for (L2ItemInstance itm: unequiped)
			{
				activeChar.checkSSMatch(null, itm);

				iu.addModifiedItem(itm);
			}
			activeChar.sendPacket(iu);
			activeChar.broadcastUserInfo();

			ItemList il = new ItemList(activeChar, true);
			activeChar.sendPacket(il);
		}

		L2ItemInstance dropedItem = activeChar.dropItem("Drop", _objectId,  _count, _x, _y, _z, null, false);

		if (Config.DEBUG) _log.fine("dropping " + _objectId + " item("+_count+") at: " + _x + " " + _y + " " + _z);

		// activeChar.broadcastUserInfo();

		if (activeChar.isGM())
		{
			String target = (activeChar.getTarget() != null?activeChar.getTarget().getName():"no-target");
			GMAudit.auditGMAction(activeChar.getName(), "Drop", target, "(id: "+dropedItem.getItemId()+" name: "+dropedItem.getItemName()+
					" objId: "+dropedItem.getObjectId()+" x: "+activeChar.getX()+" y: "+activeChar.getY()+" z: "+activeChar.getZ()+")");
		}

        if (dropedItem != null && dropedItem.getItemId() == 57 && dropedItem.getCount() >= 1000000)
        {
            String msg = "Character ("+activeChar.getName()+") has dropped ("+dropedItem.getCount()+")adena at ("+_x+","+_y+","+_z+")";
            _log.warning(msg);
            GmListTable.broadcastMessageToGMs(MessageTable.Messages[705].getMessage()
            		+activeChar.getName()
            		+MessageTable.Messages[705].getExtra(1)
            		+dropedItem.getCount()+MessageTable.Messages[705].getExtra(2)
            		+_x+MessageTable.Messages[705].getExtra(3)
            		+_y+MessageTable.Messages[705].getExtra(3)
            		+_z+MessageTable.Messages[705].getExtra(4));
        }
	}
	/* (non-Javadoc)
	 * @see net.sf.l2j.gameserver.clientpackets.ClientBasePacket#getType()
	 */
	@Override
	public String getType()
	{
		return _C__12_REQUESTDROPITEM;
	}
}
